A new study of lunar swirls shows evidence of highly mobile regolith on the moon, according to a team of PSI scientists led by Deborah Domingue.
Planetary Sciences
Aug 29, 2023
0
72
The echoes of light from jets launched from black holes offers a new way to pin down the distance to these exotic objects and to study a largely unobserved population in the center of the Galaxy. It could also even help determine ...
Astronomy
Jul 5, 2023
1
33
An optical isolator developed at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) could drastically improve optical systems for many practical applications.
Optics & Photonics
Jun 29, 2023
0
166
In 2013, Felipe Braga-Ribas and collaborators, using ground-based telescopes, discovered that Chariklo hosts a system of two thin rings. Such rings had been expected only around large planets such as Jupiter and Neptune.
Astronomy
Jan 25, 2023
0
167
Lasers are transformational devices, but one technical challenge prevents them from being even more so. The light they emit can reflect back into the laser itself and destabilize or even disable it. At real-world scales, ...
Optics & Photonics
Dec 2, 2022
0
68
Researchers have demonstrated a new visible light communication system that uses a single optical path to create a multi-channel communication link over the air. This approach could be used as a backup communication link ...
Optics & Photonics
Sep 14, 2022
0
203
Controlling thermal radiation is crucial in various industries and applications. In particular, infrared emissions from the body are important since body temperature can be regulated without the use of external energy sources ...
Materials Science
Aug 25, 2022
1
36
As satellites crawl across the sky, they reflect light from the sun back down to Earth, especially during the first few hours after sunset and the first few hours before sunrise. As more companies launch networks of satellites ...
Space Exploration
Aug 3, 2022
0
149
Bad wireless reception, the noise in the radio signal or poor visibility in the fog—all these annoyances have to do with the fact that waves such as visible light or microwave signals are deflected and reflected by numerous ...
General Physics
Jul 14, 2022
1
374
Our planet's oceans generate tell-tale light signatures when sunlight reflects off them. Exoplanets with significant ocean coverage may do the same. Can we use the Earth's reflectance signatures to identify other Earth-like ...
Astronomy
May 27, 2022
0
31
